Specifications
VR30(TA) Series Thermal overload relay
1 National Standard: GB 14048
2 International Standard: IEC 60947-4-1
3 Fast delive
Product Description
VR30(TA) Series Thermal overload relay
Application
VR30(TA) series thermal overload relay are suitable for overload and phase-failure protection of AC motors with frequency of 50/60Hz, voltage up to 690V, current up to 0.1-30A under 8-hours duty or uninterrupted duty
Functions provided by these relays, are phase-failure protection, temperature compensation, ON/OFF indication, and manual/automatic reset.
Applicable Standards
National Standard: GB 14048
International Standard: IEC 60947-4-1
The relays can be mounted onto contactors or installed as single units
Operating Conditions
| 1 The altitude couldn t exceed 2000m. |
| 2 Ambient temperature: -5 ~+55 and the average temperature no more than +35 in 24 hours |
| 3 Atmosphere: Comparative humidity no more than 50% at max +40, and it may be higher at a lower temperature. The lowest average temperature no more than +20 in the wettest month. The maximum average comparative humidity of this month couldn t exceed 90%, The changeof temperature leading to dew on the product must be considered |
| 4 Class of pollution: Class 3 |
| 5 The slope between installation surface and vertical surface couldn t exceed 5o |
| 6 Keeping away from explosive, corrosive and electric atomy |
| 7 Keeping dry |
| 8 The product should be used and installed at certain place without any shock, vibration etc. |
Features
Three-phase thermal relays with release class 10A.
With differential phase-failure protection.
With continuous current adjusting scale.
With temperature compensation.
With TEST (OFF) button.
With Manual/Auto reset button.
With Auxiliary contacts 1 NO+1 NC insulated each other.
Mounting: Plug in connection with contactor or install as a single unit.
Audited Supplier 
){kind=link}
){kind=link}